One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,6)(3,7,8,4)(9,10,14,13)(11,16,12,15)(17,18,22,21)(19,20,24,23)(27,31)(30,32)(2,6)(4,7)(9,11,14,12)(10,15,13,16)(17,19,22,24)(18,23,21,20)(25,26,29,28)(27,30,31,32)(1,3)(2,4)(5,8)(6,7)(9,11,14,12)(10,16,13,15)(17,20)(18,24)(19,21)(22,23)(25,27)(26,30)(28,32)(29,31)(1,3)(2,7)(4,6)(5,8)(9,12,14,11)(10,16,13,15)(17,20)(18,19)(21,24)(22,23)(25,28,29,26)(27,32,31,30)(1,4,5,7)(2,8,6,3)(9,13,14,10)(11,15,12,16)(17,21,22,18)(19,23,24,20)(25,27)(26,30)(28,32)(29,31)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.